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Finding the Fourth Proportional to 62,562.30, 93,843.15 and 21,009.30

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Solution

The fourth proportional to 62,562.30, 93,843.15 and 21,009.30 is: 31,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,562.30 : 93,843.15 = 21,009.30 : x
  2. Step 2: Convert to fraction form
    62,562.30/93,843.15 = 21,009.30/x
  3. Step 3: Cross multiply
    62,562.30x = 93,843.15 × 21,009.30
  4. Step 4: Simplify right side
    62,562.30x = 1,971,578,891.30
  5. Step 5: Solve for x
    x = 1,971,578,891.30/62,562.30
  6. Step 6: Final answer
    x = 31,513.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.